Otis Adelbert Kline (1891–1946) born in Chicago, Illinois, USA, was an adventure novelist and literary agent during the pulp era. Much of his work first appeared in the magazine Weird Tales. Kline was an amateur orientalist and a student of Arabic, like his friend and sometime collaborator, E. Hoffmann Price

Excerpt
I opened my eyes and sat up abruptly with an inexplicable sense of impending danger. My first glimpse of my surroundings convinced me that I had indeed arrived on Venus. The magnificent riot of vegetation surrounding me —vegetation the like of which I had not seen on Mars, the red, barren planet of my birth, nor on Earth, the more recent planet of my adoption— was sufficient evidence.